*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  list-style: none;
}
  #app,html,body {
    width: 100vw;
    height: 100%;
    background: #f5f5f5;
    overflow-x: hidden;
    width: 100%;
    height: 100%;
    background: #f5f5f5;

  }

